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# -*- coding: utf-8 -*-
from __future__ import unicode_literals
import unittest
import datetime
import dateutil.parser
import icalendar
import os
import pytz
class TestTimezoned(unittest.TestCase):
def test_create_from_ical(self):
directory = os.path.dirname(__file__)
with open(os.path.join(directory, 'timezoned.ics'), 'rb') as fp:
data = fp.read()
cal = icalendar.Calendar.from_ical(data)
self.assertEqual(
cal['prodid'].to_ical(),
b"-//Plone.org//NONSGML plone.app.event//EN"
)
timezones = cal.walk('VTIMEZONE')
self.assertEqual(len(timezones), 1)
tz = timezones[0]
self.assertEqual(tz['tzid'].to_ical(), b"Europe/Vienna")
std = tz.walk('STANDARD')[0]
self.assertEqual(
std.decoded('TZOFFSETFROM'),
datetime.timedelta(0, 7200)
)
ev1 = cal.walk('VEVENT')[0]
self.assertEqual(
ev1.decoded('DTSTART'),
pytz.timezone('Europe/Vienna').localize(
datetime.datetime(2012, 2, 13, 10, 0, 0)
)
)
self.assertEqual(
ev1.decoded('DTSTAMP'),
pytz.utc.localize(
datetime.datetime(2010, 10, 10, 9, 10, 10)
)
)
def test_create_to_ical(self):
cal = icalendar.Calendar()
cal.add('prodid', "-//Plone.org//NONSGML plone.app.event//EN")
cal.add('version', "2.0")
cal.add('x-wr-calname', "test create calendar")
cal.add('x-wr-caldesc', "icalendar tests")
cal.add('x-wr-relcalid', "12345")
cal.add('x-wr-timezone', "Europe/Vienna")
tzc = icalendar.Timezone()
tzc.add('tzid', 'Europe/Vienna')
tzc.add('x-lic-location', 'Europe/Vienna')
tzs = icalendar.TimezoneStandard()
tzs.add('tzname', 'CET')
tzs.add('dtstart', datetime.datetime(1970, 10, 25, 3, 0, 0))
tzs.add('rrule', {'freq': 'yearly', 'bymonth': 10, 'byday': '-1su'})
tzs.add('TZOFFSETFROM', datetime.timedelta(hours=2))
tzs.add('TZOFFSETTO', datetime.timedelta(hours=1))
tzd = icalendar.TimezoneDaylight()
tzd.add('tzname', 'CEST')
tzd.add('dtstart', datetime.datetime(1970, 3, 29, 2, 0, 0))
tzs.add('rrule', {'freq': 'yearly', 'bymonth': 3, 'byday': '-1su'})
tzd.add('TZOFFSETFROM', datetime.timedelta(hours=1))
tzd.add('TZOFFSETTO', datetime.timedelta(hours=2))
tzc.add_component(tzs)
tzc.add_component(tzd)
cal.add_component(tzc)
event = icalendar.Event()
tz = pytz.timezone("Europe/Vienna")
event.add(
'dtstart',
tz.localize(datetime.datetime(2012, 2, 13, 10, 00, 00)))
event.add(
'dtend',
tz.localize(datetime.datetime(2012, 2, 17, 18, 00, 00)))
event.add(
'dtstamp',
tz.localize(datetime.datetime(2010, 10, 10, 10, 10, 10)))
event.add(
'created',
tz.localize(datetime.datetime(2010, 10, 10, 10, 10, 10)))
event.add('uid', '123456')
event.add(
'last-modified',
tz.localize(datetime.datetime(2010, 10, 10, 10, 10, 10)))
event.add('summary', 'artsprint 2012')
# event.add('rrule', 'FREQ=YEARLY;INTERVAL=1;COUNT=10')
event.add('description', 'sprinting at the artsprint')
event.add('location', 'aka bild, wien')
event.add('categories', 'first subject')
event.add('categories', 'second subject')
event.add('attendee', 'häns')
event.add('attendee', 'franz')
event.add('attendee', 'sepp')
event.add('contact', 'Max Mustermann, 1010 Wien')
event.add('url', 'http://plone.org')
cal.add_component(event)
test_out = b'|'.join(cal.to_ical().splitlines())
test_out = test_out.decode('utf-8')
vtimezone_lines = "BEGIN:VTIMEZONE|TZID:Europe/Vienna|X-LIC-LOCATION:"
"Europe/Vienna|BEGIN:STANDARD|DTSTART;VALUE=DATE-TIME:19701025T03"
"0000|RRULE:FREQ=YEARLY;BYDAY=-1SU;BYMONTH=10|RRULE:FREQ=YEARLY;B"
"YDAY=-1SU;BYMONTH=3|TZNAME:CET|TZOFFSETFROM:+0200|TZOFFSETTO:+01"
"00|END:STANDARD|BEGIN:DAYLIGHT|DTSTART;VALUE=DATE-TIME:19700329T"
"020000|TZNAME:CEST|TZOFFSETFROM:+0100|TZOFFSETTO:+0200|END:DAYLI"
"GHT|END:VTIMEZONE"
self.assertTrue(vtimezone_lines in test_out)
test_str = "DTSTART;TZID=Europe/Vienna;VALUE=DATE-TIME:20120213T100000"
self.assertTrue(test_str in test_out)
self.assertTrue("ATTENDEE:sepp" in test_out)
# ical standard expects DTSTAMP and CREATED in UTC
self.assertTrue("DTSTAMP;VALUE=DATE-TIME:20101010T081010Z" in test_out)
self.assertTrue("CREATED;VALUE=DATE-TIME:20101010T081010Z" in test_out)
def test_tzinfo_dateutil(self):
# Test for issues #77, #63
# references: #73,7430b66862346fe3a6a100ab25e35a8711446717
date = dateutil.parser.parse('2012-08-30T22:41:00Z')
date2 = dateutil.parser.parse('2012-08-30T22:41:00 +02:00')
self.assertTrue(date.tzinfo.__module__.startswith('dateutil.tz'))
self.assertTrue(date2.tzinfo.__module__.startswith('dateutil.tz'))
# make sure, it's parsed properly and doesn't throw an error
self.assertTrue(icalendar.vDDDTypes(date).to_ical()
== b'20120830T224100Z')
self.assertTrue(icalendar.vDDDTypes(date2).to_ical()
== b'20120830T224100')
class TestTimezoneCreation(unittest.TestCase):
def test_create_america_new_york(self):
"""testing America/New_York, the most complex example from the
RFC"""
directory = os.path.dirname(__file__)
with open(os.path.join(directory, 'america_new_york.ics'), 'rb') as fp:
data = fp.read()
cal = icalendar.Calendar.from_ical(data)
tz = cal.walk('VEVENT')[0]['DTSTART'][0].dt.tzinfo
self.assertEqual(str(tz), 'custom_America/New_York')
pytz_new_york = pytz.timezone('America/New_York')
# for reasons (tm) the locally installed version of the time zone
# database isn't always complete, therefore we only compare some
# transition times
ny_transition_times = []
ny_transition_info = []
for num, date in enumerate(pytz_new_york._utc_transition_times):
if datetime.datetime(1967, 4, 30, 7, 0)\
<= date <= datetime.datetime(2037, 11, 1, 6, 0):
ny_transition_times.append(date)
ny_transition_info.append(pytz_new_york._transition_info[num])
self.assertEqual(tz._utc_transition_times[:142], ny_transition_times)
self.assertEqual(tz._transition_info[0:142], ny_transition_info)
self.assertIn(
(
datetime.timedelta(-1, 72000),
datetime.timedelta(0, 3600), 'EDT'
),
tz._tzinfos.keys()
)
self.assertIn(
(datetime.timedelta(-1, 68400), datetime.timedelta(0), 'EST'),
tz._tzinfos.keys()
)
def test_create_pacific_fiji(self):
"""testing Pacific/Fiji, another pretty complex example with more than
one RDATE property per subcomponent"""
self.maxDiff = None
directory = os.path.dirname(__file__)
with open(os.path.join(directory, 'pacific_fiji.ics'), 'rb') as fp:
data = fp.read()
cal = icalendar.Calendar.from_ical(data)
tz = cal.walk('VEVENT')[0]['DTSTART'][0].dt.tzinfo
self.assertEqual(str(tz), 'custom_Pacific/Fiji')
self.assertEqual(tz._utc_transition_times,
[datetime.datetime(1915, 10, 25, 12, 4),
datetime.datetime(1998, 10, 31, 14, 0),
datetime.datetime(1999, 2, 27, 14, 0),
datetime.datetime(1999, 11, 6, 14, 0),
datetime.datetime(2000, 2, 26, 14, 0),
datetime.datetime(2009, 11, 28, 14, 0),
datetime.datetime(2010, 3, 27, 14, 0),
datetime.datetime(2010, 10, 23, 14, 0),
datetime.datetime(2011, 3, 5, 14, 0),
datetime.datetime(2011, 10, 22, 14, 0),
datetime.datetime(2012, 1, 21, 14, 0),
datetime.datetime(2012, 10, 20, 14, 0),
datetime.datetime(2013, 1, 19, 14, 0),
datetime.datetime(2013, 10, 26, 14, 0),
datetime.datetime(2014, 1, 18, 13, 0),
datetime.datetime(2014, 10, 25, 14, 0),
datetime.datetime(2015, 1, 17, 13, 0),
datetime.datetime(2015, 10, 24, 14, 0),
datetime.datetime(2016, 1, 23, 13, 0),
datetime.datetime(2016, 10, 22, 14, 0),
datetime.datetime(2017, 1, 21, 13, 0),
datetime.datetime(2017, 10, 21, 14, 0),
datetime.datetime(2018, 1, 20, 13, 0),
datetime.datetime(2018, 10, 20, 14, 0),
datetime.datetime(2019, 1, 19, 13, 0),
datetime.datetime(2019, 10, 26, 14, 0),
datetime.datetime(2020, 1, 18, 13, 0),
datetime.datetime(2020, 10, 24, 14, 0),
datetime.datetime(2021, 1, 23, 13, 0),
datetime.datetime(2021, 10, 23, 14, 0),
datetime.datetime(2022, 1, 22, 13, 0),
datetime.datetime(2022, 10, 22, 14, 0),
datetime.datetime(2023, 1, 21, 13, 0),
datetime.datetime(2023, 10, 21, 14, 0),
datetime.datetime(2024, 1, 20, 13, 0),
datetime.datetime(2024, 10, 26, 14, 0),
datetime.datetime(2025, 1, 18, 13, 0),
datetime.datetime(2025, 10, 25, 14, 0),
datetime.datetime(2026, 1, 17, 13, 0),
datetime.datetime(2026, 10, 24, 14, 0),
datetime.datetime(2027, 1, 23, 13, 0),
datetime.datetime(2027, 10, 23, 14, 0),
datetime.datetime(2028, 1, 22, 13, 0),
datetime.datetime(2028, 10, 21, 14, 0),
datetime.datetime(2029, 1, 20, 13, 0),
datetime.datetime(2029, 10, 20, 14, 0),
datetime.datetime(2030, 1, 19, 13, 0),
datetime.datetime(2030, 10, 26, 14, 0),
datetime.datetime(2031, 1, 18, 13, 0),
datetime.datetime(2031, 10, 25, 14, 0),
datetime.datetime(2032, 1, 17, 13, 0),
datetime.datetime(2032, 10, 23, 14, 0),
datetime.datetime(2033, 1, 22, 13, 0),
datetime.datetime(2033, 10, 22, 14, 0),
datetime.datetime(2034, 1, 21, 13, 0),
datetime.datetime(2034, 10, 21, 14, 0),
datetime.datetime(2035, 1, 20, 13, 0),
datetime.datetime(2035, 10, 20, 14, 0),
datetime.datetime(2036, 1, 19, 13, 0),
datetime.datetime(2036, 10, 25, 14, 0),
datetime.datetime(2037, 1, 17, 13, 0),
datetime.datetime(2037, 10, 24, 14, 0),
datetime.datetime(2038, 1, 23, 13, 0),
datetime.datetime(2038, 10, 23, 14, 0)]
)
self.assertEqual(
tz._transition_info,
[(
datetime.timedelta(0, 43200),
datetime.timedelta(0),
'custom_Pacific/Fiji_19151026T000000_+115544_+1200'
)] +
3 * [(
datetime.timedelta(0, 46800),
datetime.timedelta(0, 3600),
'custom_Pacific/Fiji_19981101T020000_+1200_+1300'
), (
datetime.timedelta(0, 43200),
datetime.timedelta(0),
'custom_Pacific/Fiji_19990228T030000_+1300_+1200')
] +
3 * [(
datetime.timedelta(0, 46800),
datetime.timedelta(0, 3600),
'custom_Pacific/Fiji_20101024T020000_+1200_+1300'
), (
datetime.timedelta(0, 43200),
datetime.timedelta(0),
'custom_Pacific/Fiji_19990228T030000_+1300_+1200'
)] +
25 * [(
datetime.timedelta(0, 46800),
datetime.timedelta(0, 3600),
'custom_Pacific/Fiji_20101024T020000_+1200_+1300'
), (
datetime.timedelta(0, 43200),
datetime.timedelta(0),
'custom_Pacific/Fiji_20140119T020000_+1300_+1200'
)] +
[(
datetime.timedelta(0, 46800),
datetime.timedelta(0, 3600),
'custom_Pacific/Fiji_20101024T020000_+1200_+1300'
)]
)
self.assertIn(
(
datetime.timedelta(0, 46800),
datetime.timedelta(0, 3600),
'custom_Pacific/Fiji_19981101T020000_+1200_+1300'
),
tz._tzinfos.keys()
)
self.assertIn(
(
datetime.timedelta(0, 43200),
datetime.timedelta(0),
'custom_Pacific/Fiji_19990228T030000_+1300_+1200'
),
tz._tzinfos.keys()
)
def test_same_start_date(self):
"""testing if we can handle VTIMEZONEs whose different components
have the same start DTIMEs."""
directory = os.path.dirname(__file__)
with open(os.path.join(directory, 'timezone_same_start.ics'), 'rb') as fp:
data = fp.read()
cal = icalendar.Calendar.from_ical(data)
d = cal.subcomponents[1]['DTSTART'].dt
self.assertEqual(d.strftime('%c'), 'Fri Feb 24 12:00:00 2017')
def test_same_start_date_and_offset(self):
"""testing if we can handle VTIMEZONEs whose different components
have the same DTSTARTs, TZOFFSETFROM, and TZOFFSETTO."""
directory = os.path.dirname(__file__)
with open(os.path.join(directory, 'timezone_same_start_and_offset.ics'), 'rb') as fp:
data = fp.read()
cal = icalendar.Calendar.from_ical(data)
d = cal.subcomponents[1]['DTSTART'].dt
self.assertEqual(d.strftime('%c'), 'Fri Feb 24 12:00:00 2017')
def test_rdate(self):
"""testing if we can handle VTIMEZONEs who only have an RDATE, not RRULE
"""
directory = os.path.dirname(__file__)
with open(os.path.join(directory, 'timezone_rdate.ics'), 'rb') as fp:
data = fp.read()
cal = icalendar.Calendar.from_ical(data)
vevent = cal.walk('VEVENT')[0]
tz = vevent['DTSTART'].dt.tzinfo
self.assertEqual(str(tz), 'posix/Europe/Vaduz')
self.assertEqual(
tz._utc_transition_times[:6],
[
datetime.datetime(1901, 12, 13, 20, 45, 38),
datetime.datetime(1941, 5, 5, 0, 0, 0),
datetime.datetime(1941, 10, 6, 0, 0, 0),
datetime.datetime(1942, 5, 4, 0, 0, 0),
datetime.datetime(1942, 10, 5, 0, 0, 0),
datetime.datetime(1981, 3, 29, 1, 0),
])
self.assertEqual(
tz._transition_info[:6],
[
(datetime.timedelta(0, 3600), datetime.timedelta(0), 'CET'),
(datetime.timedelta(0, 7200), datetime.timedelta(0, 3600), 'CEST'),
(datetime.timedelta(0, 3600), datetime.timedelta(0), 'CET'),
(datetime.timedelta(0, 7200), datetime.timedelta(0, 3600), 'CEST'),
(datetime.timedelta(0, 3600), datetime.timedelta(0), 'CET'),
(datetime.timedelta(0, 7200), datetime.timedelta(0, 3600), 'CEST'),
]
)